HollyFrontier Corporation is an independent petroleum refiner in the United States headquartered in Dallas, TX with five complex refineries capable of processing 457,000 barrels per day located in Cheyenne, WY, El Dorado, KS, Artesia, NM, Tulsa, OK, and Woods Cross, UT. Subsidiaries of HollyFrontier produce and market gasoline, diesel, jet fuel, asphalt, heavy products and specialty lubricant products. Additionally, HollyFrontier Corporation owns Petro-Canada Lubricants Inc. whose Mississauga, Ontario facility produces 15,600 barrels per day of base oils and other specialized lubricant products that are sold worldwide. HollyFrontier also owns a 37% interest in Holly Energy Partners, L.P. (HEP) which includes the 2% general partnership interest. HEP provides petroleum product and crude oil transportation, terminalling, storage and throughput services to the petroleum industry, including HollyFrontier Corporation subsidiaries. Our mission is to be the premier U.S. petroleum refining, pipeline and terminal company and we believe hiring and developing employees is crucial to achieving these goals. To this end, we are committed to operating in a safe, reliable and environmentally responsible manner, to efficiently operating our existing assets, to offering our customers superior products and services, and to growing both organically and through strategic acquisitions.